UNTESTEDThe APC Smart-UPS 2200VA 120V AC 1980W USB Backup Power Supply is a reliable and essential device for ensuring uninterrupted power supply to your computer, networking equipment, or other electronic devices. With a surge energy capacity of 530 joules and a maximum input current of 20 amps, this black unit provides stable and clean power to protect your devices from voltage fluctuations and surges. The compact design, measuring 3.4" in height, makes it easy to install in a variety of settings, making it ideal for both home and professional use.